Question
If xy < 0, then x < 0 and y < 0.
✓
Answer
False.
Solution:
If xy > 0
⇒ x < 0 and y > 0 or x < 0 and y < 0
Hence, the statement is False.
Solution:
If xy > 0
⇒ x < 0 and y > 0 or x < 0 and y < 0
Hence, the statement is False.
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